package com.tencreat.common.core.controller;

import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.tencreat.common.constant.HttpStatus;
import com.tencreat.common.core.HttpResult;
import com.tencreat.common.core.domain.AjaxResult;
import com.tencreat.common.core.domain.dto.BaseEntityDTO;
import com.tencreat.common.core.domain.dto.BasePageEntityDTO;
import com.tencreat.common.core.domain.model.LoginUser;
import com.tencreat.common.core.page.PageDomain;
import com.tencreat.common.core.page.TableDataInfo;
import com.tencreat.common.core.page.TableSupport;
import com.tencreat.common.core.service.TokenService;
import com.tencreat.common.exception.CustomException;
import com.tencreat.common.utils.DateUtils;
import com.tencreat.common.utils.StringUtils;
import com.tencreat.common.utils.sql.SqlUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;

import javax.servlet.http.HttpServletRequest;
import java.beans.PropertyEditorSupport;
import java.util.Date;
import java.util.List;

/**
 * web层通用数据处理
 *
 * @author tencreat
 * @Company: 深圳腾创互联科技有限公司
 * @link: https://tencreat.com/#/
 */
public class BaseController {

    @Autowired
    private TokenService tokenService;

    @Autowired
    private HttpServletRequest httpServletRequest;

    protected final Logger logger = LoggerFactory.getLogger(this.getClass());

    /** 组装入参Page对象 */
    public <T extends BasePageEntityDTO>IPage<T> generatePage(T basePageEntityDTO) {
        int maxSize = 200;
        Integer pageNum = basePageEntityDTO.getPageNum();
        Integer current = basePageEntityDTO.getCurrent();
        Integer size = basePageEntityDTO.getSize();
        Integer pageSize = basePageEntityDTO.getPageSize();
        if (size == null || size <= 0) {
            if (pageSize == null || pageSize <= 0) {
                size = 10;
            } else {
                size = pageSize;
            }
        }
        if (current == null || current <= 0) {
            if (pageNum == null || pageNum <= 0) {
                current = 1;
            } else {
                current = pageNum;
            }
        }
        if (size > maxSize) {
            throw new CustomException("只能显示200条以内的数据");
        }
        return new Page<>(current, size);
    }

    /** 组装入参Page对象 */
    public <T extends BaseEntityDTO<?>>IPage<T> generatePage(T baseEntityDTO) {
        int maxSize = 200;
        Integer current = baseEntityDTO.getCurrent();
        Integer size = baseEntityDTO.getSize();
        Integer pageNum = baseEntityDTO.getPageNum();
        Integer pageSize = baseEntityDTO.getPageSize();
        if (current == null || current <= 0) {
            if (pageNum == null || pageNum <= 0) {
                current = 1;
            } else {
                current = pageNum;
            }
        }
        if (size == null || size <= 0) {
            if (pageSize == null || pageSize <= 0) {
                size = 10;
            } else {
                size = pageSize;
            }
        }
        if (size > maxSize) {
            throw new CustomException("只能显示200条以内的数据");
        }
        return new Page<>(current, size);
    }

    /**
     * 将前台传递过来的日期格式的字符串，自动转化为Date类型
     */
    @InitBinder
    public void initBinder(WebDataBinder binder) {
        // Date 类型转换
        binder.registerCustomEditor(Date.class, new PropertyEditorSupport() {
            @Override
            public void setAsText(String text) {
                setValue(DateUtils.parseDate(text));
            }
        });
    }

    /**
     * 获取一个最大的Page分页对象
     *
     * @param <R> 分页类型
     * @return 分页对象
     */
    public <R> IPage<R> getMaxPage() {
        return new Page<>(1, Long.MAX_VALUE);
    }

    /**
     * 设置请求分页数据
     */
    protected void startPage() {
        PageDomain pageDomain = TableSupport.buildPageRequest();
        Integer pageNum = pageDomain.getPageNum();
        Integer pageSize = pageDomain.getPageSize();
        if (StringUtils.isNotNull(pageNum) && StringUtils.isNotNull(pageSize)) {
            String orderBy = SqlUtil.escapeOrderBySql(pageDomain.getOrderBy());
            PageHelper.startPage(pageNum, pageSize, orderBy);

        }
    }

    /**
     * 设置请求分页数据
     */
    protected <T> IPage<T> startPage(T data) {
        PageDomain pageDomain = TableSupport.buildPageRequest();
        Integer pageNum = pageDomain.getPageNum();
        Integer pageSize = pageDomain.getPageSize();
        if (StringUtils.isNotNull(pageNum) && StringUtils.isNotNull(pageSize)) {
            return new Page<>(pageNum, pageSize);
        }
        return null;
    }


    /**
     * 响应请求分页数据
     */
    @SuppressWarnings({"rawtypes", "unchecked"})
    protected TableDataInfo getDataTable(List<?> list) {
        TableDataInfo rspData = new TableDataInfo();
        rspData.setCode(HttpStatus.SUCCESS);
        rspData.setMsg("查询成功");
        rspData.setRows(list);
        rspData.setTotal(new PageInfo(list).getTotal());
        return rspData;
    }

    /**
     * 响应返回结果
     *
     * @param rows 影响行数
     * @return 操作结果
     */
    protected AjaxResult toAjax(int rows) {
        return rows > 0 ? AjaxResult.success() : AjaxResult.error();
    }

    /**
     * 响应返回结果
     *
     * @param rows 影响行数
     * @return 操作结果
     */
    protected HttpResult<Boolean> to(int rows) {
        return rows > 0 ? HttpResult.ok() : HttpResult.error();
    }

    protected HttpResult<Boolean> to(boolean result) {
        return result ? HttpResult.ok() : HttpResult.error();
    }

    /**
     * 响应返回结果
     *
     * @param result 结果
     * @return 操作结果
     */
    protected AjaxResult toAjax(boolean result) {
        return result ? success() : error();
    }


    /**
     * 返回成功
     */
    public AjaxResult success() {
        return AjaxResult.success();
    }

    /**
     * 返回失败消息
     */
    public AjaxResult error() {
        return AjaxResult.error();
    }

    /**
     * 返回成功消息
     */
    public AjaxResult success(String message) {
        return AjaxResult.success(message);
    }

    /**
     * 返回失败消息
     */
    public AjaxResult error(String message) {
        return AjaxResult.error(message);
    }

    /**
     * 页面跳转
     */
    public String redirect(String url) {
        return StringUtils.format("redirect:{}", url);
    }


    protected LoginUser getLoginCheck(){
        return tokenService.getLoginUser(httpServletRequest);
    }

    protected Long getUuid() {
        if(null != getLoginCheck().getAccountLogin()){
            return getLoginCheck().getAccountLogin().getUuid();
        }
        return null;
    }
}
